Download Ampere v2.17 APK

Download Ampere v2.17 APK

4.5 (127 446)Apps, Toolsby

Description of Ampere

Did you ever felt, that one Charger/USB cableset charges your device really fast and the other not? Now, you canprove this with Ampere.

Measure the charging and discharging current of your battery.

PRO features:
– Widgets
– Notification
– Alerts on device
– Alerts on Android Wear

The app works on Android 4.0.3+ devices. Not every device issupported because there are devices which lacks an appropriatemeasurement chip (or the interface) and they can not be supportedat all. Please read the list of not supported phones at the end ofthe description.

The app is not meant to be mA accurate. It is only good forevaluate which Charger/USB cable combo is working the best for youon the same device.

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Please read also the FAQ: http://goo.gl/R8XgXX

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Start the app and wait ca. 10 seconds (“measuring” is on thedisplay). After this time, the charging or discharging current willbe shown.

The current depends on many things:
– Charger (USB/AC/Wireless)
– USB cable
– Phone type
– Current tasks running
– Display brightness
– WiFi state
– GPS state

Please don’t use the readings on this app as concrete science.However, the readings are good enough to relatively measure howvarious chargers and USB cables fair on the same device.

If the app shows 0mA all the time, please use the settingsoption “Old measurement method”. You can force the app with it touse the old measurement interface, if the Lollipop device has atleast one.

Unfortunately some Samsung devices don’t give correct (measured)values (e.g.: S5), just the maximum possible charging current withthe actual USB cable/charger configuration. This is a firmwareproblem.

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Background info: The app measures the charging/dischargingcurrent of the battery. If your phone is not connected to acharger, you see the discharging current which is negative. If youconnect a charger then the current what the charger gives will beused to supply your phone and the remaining power will be chargedinto the battery.

If your phone consumes 300 mA without a charger connected (-300mAon the display), then a 500 mA charger will charge your batterymaximum with 200 mA current (200mA on display).

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Technical info: The displayed current is an average valuefrom 50 measurements minus the 10 upper values and the 10 lowervalues. The displayed current can be shaky or unstable or even zerowhich means, that the Android system provides unstable values.Every company uses different battery types and other hardwaremaking it difficult to get accurate results about yourcharger.

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LiPo batteries don’t draw the maximum for the full time it takes tocharge the phone. If your battery is charged almost full then thecharging current will be much less as by lower batterylevels.

– A graph explaining LiPo charge stages:http://batteryuniversity.com/_img/content/ion1.jpg
– Dave’s (EEVBlog) LiPo Charging Tutorial:http://youtu.be/A6mKd5_-abk

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Phones/ROMS compatible only with “Old measurement method” switchedon and selected the right “Measurement interface”:
➤ HTC One M7 / M8
➤ LG G3

Phones/ROMS reported to be not working with this app:
➤ Galaxy Grand Prime – fortuna3gdtv
➤ Galaxy Note2 – t03g, t03gchn, t03gchnduos, t03gcmcc, t03gctc,t03gcuduos
➤ Galaxy S3 – d2att, d2spr, d2vmu
➤ Galaxy Tab4 7.0 – degas3g
➤ HTC Desire 510 – htc_a11ul8x26
➤ HTC One S (ville), X (endeavoru), XL (evita)
➤ HTC Sensation 4G – pyramid

Please do not give wrong rating, if your phone is one of theabove. Not the app is wrong, but your phone does not support thiskind of measurement yet.

If the app doesn’t work on your device with pre-Lollipop Androidversion, then please read the first and the second posts in thisXDA developer forum thread: http://goo.gl/pZqJg8 . Please post yourproblem with screenshots in the XDA thread.

Please read also the FAQ: http://goo.gl/R8XgXX

App Information of Ampere

App Name Ampere
Package Name com.gombosdev.ampere
Version v2.17
Rating 4.5 ( 127 446 )
Size 6.3 MB
Requirement Android 4.0.3 and up
Updated 2018-02-09
Installs 5,000,000 - 10,000,000
Category Apps, Tools
Developer

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